Modoc County, California Zip Codes
📍 Modoc County has 10 zip codes with a population of 9,350.
Modoc County is located in California with a land area of 2,238 square miles. The county seat is Alturas. Below you'll find all 10 zip codes in Modoc County with population, income and home value, the county's affordability profile, and links to its 10 city pages.
Population and demographic data sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code routing data sourced from the United States Postal Service (USPS).
All Modoc County Zip Codes
| ZIP Code | City | Details |
|---|---|---|
| 96015 | Canby | View → |
| 96054 | Lookout | View → |
| 96101 | Alturas | View → |
| 96104 | Cedarville | View → |
| 96108 | Davis Creek | View → |
| 96110 | Eagleville | View → |
| 96112 | Fort Bidwell | View → |
| 96115 | Lake City | View → |
| 96116 | Likely | View → |
| 96134 | Tulelake | View → |
Modoc County at a Glance
Modoc County has 10 ZIP codes in this directory: 10 standard delivery ZIPs. The 5 ZIPs with published Census housing data cover 9,350 residents, the largest being 96101 (Alturas) with 4,824 people.
The median ZIP in Modoc County has a household income of $49,327 and a home value of $173,000, a price-to-income ratio of 3.4, below the 6.7 California ZIP median. Affordability ranges from 96054 in Lookout at a ratio of 2.2 to 96015 in Canby, where the median home is $340,900. The highest median income is in 96054 (Lookout) at $67,823. Median rent across these ZIPs is $816 a month.
78% of households in the typical Modoc County ZIP own their home (statewide ZIP median 64%). 20% of adults hold a bachelor's degree, below the 31% statewide median. The median poverty rate is 17.1%, far above the 10.8% statewide ZIP median. Overall density is about 4 residents per square mile across 2,238 square miles of ZIP land area.
Medians are taken across the ZIP codes listed below (each ZIP weighted equally); PO Box and no-data ZIPs are excluded. Definitions on the methodology page; statewide comparisons in the 2026 California ZIP Code Affordability Report.
Modoc County Zip Code Map
Interactive map of Modoc County, California zip codes.